Security Boss Standard Dual Flap Door Mount Pet Door - Medium (10.5" x 15") USA QC Part #21404

QC Part #21404

Helps improve flock health and performance

This makes it a perfect step-up from the D128R when you need higher flow rates

It contains no harsh acetones to damage hair like other liniments

The Lift-Mate is designed to operate in a manner allowing the vehicle wheel to be lifted directly from the wheel

Security Boss Standard Dual Flap Door Mount Pet Door - Medium (10.5" x 15") USA QC Part #21404The SB Standard Pet Door for Walls is Security Bosss highest rated utility pet door, designed for walls 2" to 10" thick. Hand built to order, this economy friendly model combines durability, security, and ease of installationmaking it the best choice in its class. Crafted with a powder coated aluminum frame (available in White or Bronze), the SB Standard includes a " slide in Locking Security Panel that inserts from the top. This panel offers more